bler = [-4.000000,1.000000e+00,
-3.800000,1.000000e+00,
-3.600000,9.900990e-01,
-3.400000,9.174312e-01,
-3.200000,8.333333e-01,
-3.000000,6.250000e-01,
-2.800000,4.166667e-01,
-2.600000,2.028398e-01,
-2.400000,7.278020e-02,
-2.200000,2.869440e-02,
-2.000000,4.597701e-03];
